Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"quan nam he snippets" » "quan nam code snippets", "quang nam he snippets", "xuan nam he snippets", "quan am he snippets", "quan nam ha snippets", "quan nam hien snippets", "quan nam nghe snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("quan nam he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quan nam he snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( quan nam he snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan nam he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.